#region Apache License
//
// Licensed to the Apache Software Foundation (ASF) under one or more 
// contributor license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright ownership. 
// The ASF licenses this file to you under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with 
// the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#endregion

using System;
using System.Collections.Generic;
using System.Text;
using IPSim.Core;

namespace IPSim.Data
{
    public class IPPacket : IEthernetData
    {

        private byte m_ttl;
        private readonly IPAddress m_srcAddress;
        private readonly IPAddress m_destAddress;
        private readonly IIPData m_ipData;
        private readonly IPProtocol m_protocol;

        public IPPacket()
        { }

        public IPPacket(IPAddress srcAddress, IPAddress destAddress, IIPData ipData, IPProtocol protocol, byte ttl)
        {
            m_srcAddress = srcAddress;
            m_destAddress = destAddress;
            m_ipData = ipData;
            m_protocol = protocol;
            m_ttl = ttl;
        }

        public IPProtocol Protocol
        {
            get
            {
                return m_protocol;
            }
        }

        public IPAddress SrcAddress
        {
            get
            {
                return m_srcAddress;
            }
        }

        public IPAddress DestAddress
        {
            get
            {
                return m_destAddress;
            }
        }

        public byte TTL
        {
            get
            {
                return m_ttl;
            }
            set
            {
                m_ttl = value;
            }
        }

        public IIPData Data
        {
            get
            {
                return m_ipData;
            }
        }

        public EthernetFrame.EtherTypes EtherType
        {
            get
            {
                return EthernetFrame.EtherTypes.IPv4;
            }
        }

        
        public enum IPProtocol : byte
        {
            ICMP = 1,
            TCP = 6,
            UDP = 17,
        }
    }
}
